[Forminator Pro] - Add "autcomplete" attribute to input fields

forminator-add-autocomplete-attr.php

<?php
/**
  * Plugin Name: [Forminator Pro] - Add "autcomplete" attribute to input fields
  * Plugin URI: https://premium.wpmudev.org/
  * Description: Add "autcomplete" attribute support to selected form and input fields (as of 1.12.1.1)
  * Author: Alessandro Kaounas @ WPMUDEV
  * Author URI: https://premium.wpmudev.org/
  * Task: 0/1135022585412927/1176249490871345
  * License: GPLv2 or later
  */

add_action( 'forminator_before_form_render', function( $form_id ){
    
    // Add form id to apply below
    if( $form_id != '334' ){
        return;
    }

    // Add fields you want to apply "autocomplete" attribute
    add_filter( 'forminator_field_markup', function( $html, $field ){
        
        $element = '<input';

        if( $field['element_id'] == 'name-1' ){
            if( strpos( $html, $element ) ){
                $name = 'cc-name';
                return str_replace( $element, $element . ' autocomplete="' . $name . '"', $html );
            }
        }
        
        /** 
         *  [...] add more if conditions here depending on your fields :)
         */ 

        return $html;

    }, 10, 2);

});

It does